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  • Number of ways in which 10 identical balls can be distributed among 5 students so that each gets at least one is Option: 1 <img alt="^{10 }C _ r

Number of ways in which 10 identical balls can be distributed among 5 students so that each gets at least one is 

Option: 1

^{10 }C _ r


Option: 2

^{9 }C _ 4


Option: 3

^{10 }C _ 4


Option: 4

^{9 }C _ 3


Answers (1)

best_answer

As we have learned

Rule for distribution of identical objects into Groups 

The number of ways in which n identical things can be distributed to r people (when each gets at least one) is ^{n-1}C_{r-1}

 

Now,

 Number of ways = ^{10 -1 }C _ {5-1 } = ^{9 }C _ 4

 

Posted by

Riya

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